Znn3bq.jpeg
²é¿´: 2177  |  »Ø¸´: 46
¡¾½±Àø¡¿ ±¾Ìû±»ÆÀ¼Û44´Î£¬×÷ÕßhanqianzhangÔö¼Ó½ð±Ò 35.2 ¸ö
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

hanqianzhang

Í­³æ (³õÈëÎÄ̳)


[×ÊÔ´] Nature-20130103

Nature-20130103

About the cover
Giant spiral galaxies are assembled from smaller systems through a process known as hierarchical clustering. In orbit around these giants are dwarf galaxies, which are presumably remnants of the galactic progenitors. Recent studies of the dwarf galaxies of the Milky Way have lead some astronomers to suspect that their orbits are not randomly distributed. This suspicion, which challenges current theories of galaxy formation, is now bolstered by the discovery of a plane of dwarf galaxies corotating as a coherent pancake-like structure around the Andromeda galaxy, the Milky Way¡¯s close neighbour and in many respects its ¡®twin¡¯. The structure is extremely thin yet contains about half of the dwarf galaxies in the Andromeda system. The authors report that 13 of the 15 satellites in the plane share the same sense of rotation. On the cover, a true colour image of the Andromeda galaxy, with two satellite galaxies visible, by Jean-Charles Cuillandre (CFHT) and Giovanni Anselmi (Coelum Astronomia).
»Ø¸´´ËÂ¥

» ±¾Ìû¸½¼þ×ÊÔ´Áбí

  • »¶Ó­¼à¶½ºÍ·´À¡£ºÐ¡Ä¾³æ½öÌṩ½»Á÷ƽ̨£¬²»¶Ô¸ÃÄÚÈݸºÔð¡£
    ±¾ÄÚÈÝÓÉÓû§×ÔÖ÷·¢²¼£¬Èç¹ûÆäÄÚÈÝÉæ¼°µ½ÖªÊ¶²úȨÎÊÌ⣬ÆäÔðÈÎÔÚÓÚÓû§±¾ÈË£¬Èç¶Ô°æÈ¨ÓÐÒìÒ飬ÇëÁªÏµÓÊÏ䣺xiaomuchong@tal.com
  • ¸½¼þ 1 : Nature-20130103.pdf
  • 2013-01-03 19:31:12, 32.71 M

» ÊÕ¼±¾ÌûµÄÌÔÌûר¼­ÍƼö

ÉúÎïÀàµç×ÓÊé ÎÄÏ×ÍÆ¼ö ¿Æ¼¼ ѧÊõ×ÊÔ´-Biology

» ²ÂÄãϲ»¶

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Jackandtom2

Òø³æ (ÕýʽдÊÖ)


¡ï¡ï¡ï¡ï¡ï ÎåÐǼ¶,ÓÅÐãÍÆ¼ö

·Ç³£¸Ðл£¬ÕâÑùµÄÆÚ¿¯ºÜºÃ°¡£¬¶¥¼â¼¶µÄ£¬Æ½Ê±ºÜÉÙ¿´µ½
17Â¥2013-01-04 21:26:15
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 47 ¸ö»Ø´ð
¼òµ¥»Ø¸´
2013-01-03 21:20   »Ø¸´  
ÎåÐÇºÃÆÀ  ¶¥Ò»Ï£¬¸Ðл·ÖÏí£¡
С³æs3Â¥
2013-01-03 21:35   »Ø¸´  
ÎåÐÇºÃÆÀ  ¶¥Ò»Ï£¬¸Ðл·ÖÏí£¡
MAPK4Â¥
2013-01-03 21:46   »Ø¸´  
ÎåÐÇºÃÆÀ  ¶¥Ò»Ï£¬¸Ðл·ÖÏí£¡
ab200635305Â¥
2013-01-03 21:55   »Ø¸´  
ÎåÐÇºÃÆÀ  ¶¥Ò»Ï£¬¸Ðл·ÖÏí£¡
wxf-er6Â¥
2013-01-03 22:44   »Ø¸´  
ÎåÐÇºÃÆÀ  ¶¥Ò»Ï£¬¸Ðл·ÖÏí£¡
qusongyuan7Â¥
2013-01-03 23:23   »Ø¸´  
ÎåÐÇºÃÆÀ  ¶¥Ò»Ï£¬¸Ðл·ÖÏí£¡
lushuiw8Â¥
2013-01-04 15:51   »Ø¸´  
ÎåÐÇºÃÆÀ  ¶¥Ò»Ï£¬¸Ðл·ÖÏí£¡
1371677419Â¥
2013-01-04 16:22   »Ø¸´  
ÎåÐÇºÃÆÀ  ¶¥Ò»Ï£¬¸Ðл·ÖÏí£¡
csxu2010060810Â¥
2013-01-04 19:01   »Ø¸´  
ÎåÐÇºÃÆÀ  ¶¥Ò»Ï£¬¸Ðл·ÖÏí£¡
yuanhaojie11Â¥
2013-01-04 19:18   »Ø¸´  
ÎåÐÇºÃÆÀ  ¶¥Ò»Ï£¬¸Ðл·ÖÏí£¡
peterlizb12Â¥
2013-01-04 19:35   »Ø¸´  
ÎåÐÇºÃÆÀ  ¶¥Ò»Ï£¬¸Ðл·ÖÏí£¡
xuhu_1113Â¥
2013-01-04 19:47   »Ø¸´  
ÎåÐÇºÃÆÀ  ¶¥Ò»Ï£¬¸Ðл·ÖÏí£¡
thz2005206914Â¥
2013-01-04 20:19   »Ø¸´  
ÎåÐÇºÃÆÀ  ¶¥Ò»Ï£¬¸Ðл·ÖÏí£¡
¡î ÎÞÐǼ¶ ¡ï Ò»ÐǼ¶ ¡ï¡ï¡ï ÈýÐǼ¶ ¡ï¡ï¡ï¡ï¡ï ÎåÐǼ¶
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼²©] Ç󲩵¼£üÉúÎïÖÊ»ù¶à¿×̼/³¬¼¶µçÈÝ·½Ïò£¬ÒÑÓÐÏà¹Ø³É¹û£¬Ñ°ÄÜÔ´²ÄÁÏ/̼²ÄÁÏ·½ÏòÀÏʦ +3 ÖíÖíÈËZzz 2026-04-12 3/150 2026-04-17 19:10 by ÑôÑôÑô^_^
[¿¼ÑÐ] ½ÓÊÜÈκε÷¼Á +4 Ò²¾ÍÊÇÀõ×Ó 2026-04-17 4/200 2026-04-17 17:57 by Equinoxhua
[¿¼ÑÐ] 320Çóµ÷¼Á +4 Éî½¼akm 2026-04-17 4/200 2026-04-17 17:32 by Ò»ÇÐOK
[¿¼ÑÐ] 322Çóµ÷¼Á +6 tekuzu 2026-04-17 6/300 2026-04-17 13:48 by Espannnnnol
[¿¼ÑÐ] 300Çóµ÷¼Á +11 ³Èa777 2026-04-15 11/550 2026-04-16 22:43 by cfdbai
[¿¼ÑÐ] Ò»Ö¾Ô¸»¦9£¬ÉúÎïѧ326Çóµ÷¼Á +9 Áõīī 2026-04-15 9/450 2026-04-16 17:14 by ´Þ´Þ´Þcccc
[¿¼ÑÐ] 307ÖÐÒ½¿¼Ñе÷¼Á +6 ÓÚÒÔ²ÉÞÀ 2026-04-14 6/300 2026-04-16 16:20 by qingfeng258
[»ù½ðÉêÇë] RY£ºÖйú²ú³öµÄ¿ÆÑ§À¬»øÂÛÎÄ£¬¾ø¶ÔÊýÁ¿ºÍ±ÈÀý¶¼ÊÀ½çµÚÒ» +7 zju2000 2026-04-14 18/900 2026-04-16 11:36 by »¶ÀÖËÌÒ¶Ýè
[¿¼ÑÐ] Çóµ÷¼Á +11 СÄô°®Ñ§Ï° 2026-04-11 15/750 2026-04-15 21:57 by noqvsozv
[¿¼ÑÐ] 085801µçÆø×¨Ë¶272Çóµ÷¼Á +19 µçÆøÀî 2026-04-13 21/1050 2026-04-15 13:37 by ºÚ¿Æ¼¼¿óÒµ
[¿¼ÑÐ] µ÷¼Á +12 ÔÂ@163.com 2026-04-11 12/600 2026-04-14 15:37 by zs92450
[¿¼ÑÐ] ¿¼Ñе÷¼Á +13 ³¤¹­°Á 2026-04-13 14/700 2026-04-14 14:44 by zs92450
[¿¼ÑÐ] 105500ҩѧÇóµ÷¼Á +4 x_skys 2026-04-12 4/200 2026-04-14 13:37 by rndfc
[¿¼ÑÐ] Çóµ÷¼Á +3 ÎÒ°®¸ßÊý¸ßÊý°®Î 2026-04-12 3/150 2026-04-14 01:00 by Íõ¬Bè±
[¿¼ÑÐ] BÇø0809 £¬ÊýÒ»Ó¢Ò»£¬290 Çóµ÷¼Á +3 ãöΫ1111 2026-04-12 4/200 2026-04-13 20:35 by ѧԱJpLReM
[¿¼ÑÐ] 302Çóµ÷¼Á +10 Ò×£¡? 2026-04-13 10/500 2026-04-13 19:04 by lbsjt
[¿¼ÑÐ] 297¹¤¿Æ£¬Çóµ÷¼Á? +13 ºÓÄÏũҵ´óѧ-ÄÜ 2026-04-12 13/650 2026-04-13 14:12 by dingyanbo1
[¿¼ÑÐ] 290Çóµ÷¼Á +18 ¿Â»´È» 2026-04-12 20/1000 2026-04-13 12:56 by cyh¡ª315
[¿¼ÑÐ] Ò»Ö¾Ô¸Õã´óÉúÎï325·ÖÇóµ÷¼Á +9 zysheng 2026-04-12 9/450 2026-04-12 22:31 by yuyin1233
[¿¼ÑÐ] 344 ²ÄÁÏרҵ Çóµ÷¼Á211 ÎÞµØÓòÒªÇó +8 hualkop 2026-04-11 8/400 2026-04-12 22:24 by fqwang
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û